HOW TO KNOW VERSION OF REDIS.

Using:

redis-cli


127.0.0.1:6379> info
# Server
redis_version:3.0.5
redis_git_sha1:00000000
redis_git_dirty:0
redis_build_id:4fe0a7e2323c9f4c
redis_mode:standalone
os:Linux 3.13.0-48-generic x86_64
arch_bits:64
multiplexing_api:epoll
gcc_version:4.7.2
process_id:1
run_id:4031cc77aa83982d1020cbaed53f69fba26d30e8
tcp_port:6379
uptime_in_seconds:842
uptime_in_days:0
hz:10
lru_clock:2553112
config_file:

# Clients
connected_clients:2
client_longest_output_list:0
client_biggest_input_buf:0
blocked_clients:0

# Memory
used_memory:836088
used_memory_human:816.49K
used_memory_rss:7860224
used_memory_peak:873632
used_memory_peak_human:853.16K
used_memory_lua:36864
mem_fragmentation_ratio:9.40
mem_allocator:jemalloc-3.6.0

# Persistence
loading:0
rdb_changes_since_last_save:39
rdb_bgsave_in_progress:0
rdb_last_save_time:1445392846
rdb_last_bgsave_status:ok
rdb_last_bgsave_time_sec:-1
rdb_current_bgsave_time_sec:-1
aof_enabled:0
aof_rewrite_in_progress:0
aof_rewrite_scheduled:0
aof_last_rewrite_time_sec:-1
aof_current_rewrite_time_sec:-1
aof_last_bgrewrite_status:ok
aof_last_write_status:ok

# Stats
total_connections_received:7
total_commands_processed:82
instantaneous_ops_per_sec:0
total_net_input_bytes:8899
total_net_output_bytes:13782
instantaneous_input_kbps:0.00
instantaneous_output_kbps:0.00
rejected_connections:0
sync_full:0
sync_partial_ok:0
sync_partial_err:0
expired_keys:0
evicted_keys:0
keyspace_hits:38
keyspace_misses:0
pubsub_channels:0
pubsub_patterns:0
latest_fork_usec:0
migrate_cached_sockets:0

# Replication
role:master
connected_slaves:0
master_repl_offset:0
repl_backlog_active:0
repl_backlog_size:1048576
repl_backlog_first_byte_offset:0
repl_backlog_histlen:0

# CPU
used_cpu_sys:0.13
used_cpu_user:0.38
used_cpu_sys_children:0.00
used_cpu_user_children:0.00

# Cluster
cluster_enabled:0

# Keyspace
db0:keys=1,expires=1,avg_ttl=86295211
127.0.0.1:6379>